Hello @JarenF! Welcome to the forum.
We have not yet tried chocolate, as we are busy building all the Discov3ry units. But it is a material that is on our Wish List.
As the Discov3ry does not have active heating, some other method to keep the chocolate molten would be required.
This could include preheating the chocolate. RichRap has done some research using this method:
The fellows at @3DigitalCooks have also done some printing with Wilton Candy Melts which is quite interesting:
We would love to see any results you get!